Bladestorm, the classic fantasy wargames rules from Iron Crown Enterprises in the 1990s is back in a second edition. You can get the quickstart rules at the link.
fantasy
Free Warmachine and Hordes Rules
Rules for Privateer Press’ Warmachine and Hordes games now are free.
Elementum Dueling Mages Card Game
Elementum is a free print-and-play card game ..
of two mages casting elements on each other to win a duel. You and your opponent keep a hand of 5 elements and a Kill card, and each turn you choose 3 of these cards to play into 2 offensive and 1 defensive slot. Each of you keeps track of your active elements using a simple map of interactions and nullifications.
Your goal is to defeat the other mage by resolving a kill card while your opponent has at least 1 active interaction on them or by activating all 5 of their elements at once.
Dragonraid Christian RPG
Dragonraid is an RPG that was created in the 1980s as a “Christian” alternative to Dungeons and Dragons. According to this article on Uproxx, it encourages a refreshingly different style of RPG play.